# US 12,000,120 B2 · Wear member, edge and process of installation

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- Number: US 12,000,120 B2
- Document ID: US12000120B2
- Status: Granted
- Kind: B2
- Application number: 17/676,807
- Filed: 2022-02-21
- Published: 2022-06-09
- Granted: 2024-06-04
- Earliest claimed: 2018-03-30
- Assignees: Esco Group LLC
- Applicants: ESCO Group LLC
- Inventors: Clinton A. Wood; Cameron R. Leedham
- Web page: https://patentgrep.com/patent/US12000120B2

## CPC

- E02F 9/2883: {Wear elements for buckets or implements in general}
- E02F 3/40: Dippers; Buckets {; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets (devices to connect tools to arms or booms E02F3/3604; teeth therefor E02F9/28)}
- E02F 3/60: Buckets, scrapers, or other digging elements
- E02F 3/8152: {Attachments therefor, e.g. wear resisting parts, cutting edges (E02F3/8155, E02F3/8157 take precedence; teeth per se E02F9/28)}
- E02F 9/2816: {Mountings therefor}
- E02F 9/2858: {characterised by shape}
- E02F: DREDGING; SOIL-SHIFTING (winning peat E21C49/00)

## Abstract

Shrouds are secured to earth-working edges of many kinds of earth working equipment to extend the service life of the equipment. The shrouds include opposed surfaces to define a cavity to receive the edge. Each of the opposed surfaces includes a recess to receive a boss on the edge, wherein the longitudinal axis of the recess on the first surface is angularly oriented in a lateral direction to the longitudinal axis of the recess on the second surface.

## Claims

### Claim 1

A shroud for a lip of a bucket, the shroud comprising
a front end,
a rearward opening cavity to receive the lip such that the shroud overlies a portion of the lip, the cavity being defined by first and second opposed surfaces and a front surface extending between the first and second surfaces,
a lock-receiving opening having an elongate configuration with a length along which a major axis extends, wherein the lock-receiving opening opens in the first surface, and the front surface and the major axis are generally parallel to each other, and
a recess in the first surface to receive a boss on the lip, the recess including opposed side bearing surfaces that converge toward each other in a direction toward the front surface to bear against sides of the boss when the shroud is installed on the lip, wherein a longitudinal axis of the recess extends axially between the side bearing surfaces and is laterally inclined to a direction of installation of the shroud on the lip.

### Claim 2 (depends on 1)

The shroud of claim 1 wherein the opposed bearing surfaces are planar.

### Claim 3 (depends on 2)

The shroud of claim 2 wherein the side bearing surfaces converge at an angle of 10-40 degrees to each other.

### Claim 4 (depends on 1)

The shroud of claim 1 wherein the second surface includes a recess with opposed side bearing surfaces to bear against another boss on the lip.

### Claim 5 (depends on 4)

The shroud of claim 4 wherein the recess in the second surface has a longitudinal axis that is inclined in a lateral direction to the longitudinal axis of the recess in the first surface.